Mich. Comp. Laws § 15.269a: Sound recordings of public meetings.

Sec. 9a.

(1) Every meeting of a public body that is a state licensing board, state commission panel, or state rule-making board, except a meeting or part of a meeting held in closed session, must be recorded in a manner that allows for the capture of sound, including, without limitation, in any of the following formats:

(a) A sound-only recording.

(b) A video recording with sound and picture.

(c) A digital or analog broadcast capable of being recorded.

(2) A recording required under subsection (1) must be maintained for a minimum of 1 year from the date of the meeting in a format that can be reproduced upon a request under the freedom of information act, 1976 PA 442, MCL 15.231 to 15.246.